Decade to Second Conversion Calculator: Free Online Tool
Convert decades to seconds with our free online time converter.
Decade to Second Calculator
How to Use the Calculator:
- Enter the value you want to convert in the 'From' field (Decade).
- The converted value in Second will appear automatically in the 'To' field.
- Use the dropdown menus to select different units within the Time category.
- Click the swap button (⇌) to reverse the conversion direction.
How to Convert Decade to Second
Converting Decade to Second involves multiplying the value by a specific conversion factor, as shown in the formula below.
Formula:
1 Decade = 3.1557e+8 secondsExample Calculation:
Convert 60 decades: 60 × 3.1557e+8 = 1.8934e+10 seconds
Disclaimer: For Reference Only
These conversion results are provided for informational purposes only. While we strive for accuracy, we make no guarantees regarding the precision of these results, especially for conversions involving extremely large or small numbers which may be subject to the inherent limitations of standard computer floating-point arithmetic.
Not for professional use. Results should be verified before use in any critical application. View our Terms of Service for more information.
What is a Decade and a Second?
A decade is a unit of time equal to 10 consecutive years. It is commonly used to group years for historical, cultural, or statistical analysis, often referring to periods like the 1980s or 2010s.
The second is the base unit of time in the International System of Units (SI). It is defined by taking the fixed numerical value of the caesium frequency ΔνCs, the unperturbed ground-state hyperfine transition frequency of the caesium-133 atom, to be 9,192,631,770 when expressed in the unit Hz, which is equal to s⁻¹.
Note: The Decade is part of the imperial/US customary system, primarily used in the US, UK, and Canada for everyday measurements. The Second belongs to the imperial/US customary system.
History of the Decade and Second
The term "decade" originates from the Ancient Greek word "dekas" (δέκας), meaning a group of ten, which passed into Latin as "decem" and then into English. Its application specifically to a ten-year period became standard alongside the development and use of calendar systems for tracking longer spans of time.
Historically, the second was defined as 1/86,400 of a mean solar day. However, variations in the Earth's rotation led to the need for a more precise, constant definition. The atomic definition based on the caesium-133 atom was adopted in 1967.
Common Uses for decades and seconds
Explore the typical applications for both Decade (imperial/US) and Second (imperial/US) to understand their common contexts.
Common Uses for decades
Decades are frequently used for:
- Historical periods: Referring to specific ten-year periods, typically starting with a year ending in '0' (e.g., the 1990s refers to the years 1990-1999).
- Trend analysis: Discussing cultural, social, economic, or political trends that characterize a ten-year span.
- Anniversaries: Marking significant anniversaries known as decennials (10th anniversaries).
- Data analysis: Grouping data in demographic studies, historical analysis, and long-term planning.
Common Uses for seconds
- Base Unit: The fundamental unit for all time measurements in science, engineering, and daily life.
- Timing: Used universally for clocks, watches, timers, and scheduling.
- Physics: Essential in defining derived units like velocity (meters per second), acceleration (meters per second squared), frequency (Hertz, or cycles per second), and force (Newtons).
- Computing: Used as a base for measuring intervals, timeouts, and durations, although often subdivided into milliseconds, microseconds, or nanoseconds for finer measurements.
- Everyday Life: Counting heartbeats, measuring short durations, coordinating activities.
Frequently Asked Questions
Questions About Decade (dec)
How many years are in one decade?
A decade is defined as exactly 10 years.
How are decades typically named or referred to?
Decades are commonly referred to by the century and the tens digit of the years they encompass, such as "the 1980s" (1980-1989) or "the 2020s" (2020-2029). The first decade of a century (e.g., 2000-2009) is sometimes called "the noughties" or "the aughts".
Is the decade an SI unit?
No, the decade is not a unit within the International System of Units (SI). The base SI unit for time is the second. While widely used in historical and cultural contexts, scientific measurements typically use seconds, years (often Julian years for consistency), or larger multiples like kiloyears (kyr) or megayears (Myr).
About Second (s)
What is the base unit of time in the SI system?
The second (s) is the base unit of time.
Why is the second defined using atoms?
The atomic definition provides a much more stable and precise standard than relying on the Earth's rotation, which fluctuates slightly.
How many seconds are in a minute?
There are 60 seconds in a minute.
How many seconds are in an hour?
There are 3,600 seconds in an hour (60 seconds/minute * 60 minutes/hour).
Conversion Table: Decade to Second
| Decade (dec) | Second (s) |
|---|---|
| 1 | 315,569,520 |
| 5 | 1,577,847,600 |
| 10 | 3,155,695,200 |
| 25 | 7,889,238,000 |
| 50 | 15,778,476,000 |
| 100 | 31,556,952,000 |
| 500 | 157,784,760,000 |
| 1,000 | 315,569,520,000 |